{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["instrument agency", "content container", "message topic", "member collection"], "input": "the letter was sent from the deathbed of the former kgb spy , alexander litvinenko , who died this saturday after being poisoned with radioactive poison earlier in the month ."}
{"instrument agency": [], "content container": [], "message topic": [], "member collection": []}